October 24th,2020
Welcome to the Ruhr District Institute of Hygiene

Your contact partners
Dipl.-Ing. Sandra Horn
Phone: 0209-9242-290
Fax: 0209-9242-222
Sandra Horn


Divisional Director

Sandra Horn holds a degree in engineering with focus on utility engineering and manages our department of ventilation and air-conditioning technology.

Business Divisions

  • ventilation and air-conditioning technology – HVAC systems
  • ambient air quality